krk.com.ar

Valid Email Server

Domain Overview

DNS: ✓ just now Checker: ✓ just now
krk.com.ar
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-09-23 00:15:01 UTC · ↺ Refresh

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MX Hostnames

  • krk-com-ar.mail.protection.outlook.com

MX Priorities

  • krk-com-ar.mail.protection.outlook.com: 0

A / AAAA Records

  • 167.250.5.17 ↩ nb17.servidoraweb.net

Mail Server IPs

  • 52.101.41.56 ↩ mail-sj0pr21cu00100.inbound.protection.outlook.com
  • 52.101.41.192 ↩ mail-byapr04cu00400.inbound.protection.outlook.com
  • 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
  • 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:f803:: ↩ mail-byapr02cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:c946::1 ↩ mail-ch1pr04cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com
  • 2a01:111:f403:f802:: ↩ mail-byapr05cu00400.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.servidoraweb.net servers.servidoraweb.net 2026082411 3600 1800 1209600 86400
Primary NS (mname)
ns1.servidoraweb.net
Admin Email (rname)
servers@servidoraweb.net
Serial
2026082411
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns2.servidoraweb.net
ns1.servidoraweb.net

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

4 records
  • anthropic-domain-verification-gjxetr=G8qDtclmhHtxNj8Rl97zWpiB7
  • MS=ms79931229
  • anthropic-domain-verification-tggvpz=4D0zLsYCiOGvtNmuKa2sReX75
  • SPFv=spf1 include:spf.protection.outlook.com -all
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